Are Sky Pirates and COS-MOS similar?

They overlap on Action, Adventure on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.

Do both Sky Pirates and COS-MOS have co-op?

Yes — both list a co-op category on Steam. Specifics differ: Sky Pirates ships Online Co-op, Co-op; COS-MOS ships Online Co-op, Co-op.

Sky Pirates vs COS-MOS

Sky Pirates and COS-MOS both land in Action, Adventure on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Action, Adventure on Steam. Both support cooperative play. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose Sky Pirates

Choose Sky Pirates if you want an Indie experience.

Choose COS-MOS

Choose COS-MOS if you want a Massively Multiplayer and Casual experience.

Both Sky Pirates and COS-MOS sit in Action and Adventure on Steam and both list Multi-player, Online Co-op, and Custom Volume Controls, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Sky Pirates vs COS-MOS — Steam metadata comparison
	Sky Pirates	COS-MOS
Released	—	—
Genres	Action, Indie, Adventure	Action, Adventure, Massively Multiplayer, Casual
Platforms	Windows	Windows
Steam Deck	Unrated	Unrated
Price	Price unknown	Price unknown
Steam reviews	—	—
Multiplayer	Multi-player, Online Co-op, Co-op	Multi-player, Online Co-op, Co-op
Developers	Within Games	Peremennie

Side by side

Both share Action, Adventure on Steam.
Both support cooperative play.